The Bank Secrecy Act, under which he was charged, is of extremely dubious constitutionality (https://www.coincenter.org/broad-ambiguous-or-delegated-cons...), and it certainly violates the spirit of the Bill of Rights.
Sadly the list of acts that violate the spirit of the BIll of Rights is really, really long.
Fortunately, we have institutions where they can duke it out. And where we can fight about what the decisions mean.